query: SELECT country FROM singer WHERE age  >  40 INTERSECT SELECT country FROM singer WHERE age  <  30
question: Show where above age 40 below 30 from countries the and the singer.
query_toks: SELECT country FROM singer WHERE age > 40 INTERSECT SELECT country FROM singer WHERE age < 30
query_toks_no_value: select country from singer where age > value intersect select country from singer where age < value
question_toks: Show where above age 40 below 30 from countries the and the singer.